人教版中考英语复习-- 现在完成时态专项讲解 课件

4. Susan’s learned English at school. Has Susan learned English at school?
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分清与一般过去时的用法
现在完成时属于现在时态的范围，不能和表示过去 的时间状语连用，如yesterday,last night,three weeks ago,in1990等.而一般过去时只表示过去的动作或状 态，和现在不发生关系。
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把下列句子改为一般疑问句
1. I’ve already had dinner. Have you had dinner yet?
2. He has just finished his homework. Has he just finished his homework?
3. Mum’s cooked the dinner. Has mum cooked the dinner?
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疑问句
Have you eaten your breakfast? 现在完成时的一般疑问句形式
Have/has 提前+过去分词
Have you known Sandy for a long time? Yes, I have/ No, I haven’t. know-known
Has she eaten anything since 9:00 a.m. Yes, she has/ No, she hasn’t. eat-eaten
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肯定句
I have eaten my lunch. She has eaten her lunch. He has eaten his lunch. They have eaten their lunch.
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否定句
I have not (haven’t) seen the film.
She has not (hasn’t) seen the film.
3. Mum’s cooked the dinner.
Mum _h__a_s_n_’_t _c_o_o__k_e_d_ the dinner.
4. Susan’s learned English at school.
Susan __h_a_s_n__’_t _le__a_r_n_e__dEnglish at school.
eg--- I have seen the film.
eg--- I saw the film last week.
eg--- He has lived here since 1993.
eg---- He lived here in 1993.
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I lived there 2 years ago
现在完成时的否定形式： have not (haven’t) +过去分词 has not (hasn’t) +过去分词
I haven’t eaten supper.
eat-eaten
He hasn’t changed his idea. change-changed
My mother hasn’t come back home. come-come
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把下列句子改为否定句
1. I’ve already had dinner.
I __h_a_v__e_n_’t __h_a__d___ dinner __y_e__t___.
2. He has just finished his ho Nhomakorabeaework.
He __h_a_s_n__’_t f_i_n_i_s_h_e__dhis homework ___y_e_t____.
❖Now we have planted all the trees.
❖He has just come back.
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❖2) 表示过去发生的动作, 但强调结果或对 现在的影响。
❖Have you had your supper? ❖I have read the book twice already.
Present perfect tense 现在完成时
❖构成:
have/has + 过去分词
❖用法一：
表示过去发生的某一动作 对现在造成的影响或产生 的结果.现在完成时这一时 态强调是过去动作与现在 的联系,也就是强调现在的 影响和结果.
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❖现在完成时: ❖ have/ has +过去分词
❖1) 表示到现在为止已经完成或刚刚完 成的动作。
back from Hangzhou..
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过去分词的构成
1.直接加-ed。如：play-played ❖ 2.以字母e结尾的直接加d 。如：name-
named ❖ 3.以辅音字母加y结尾的，变y为i加ed。如：
carry-carried ❖ 4.重读闭音节且末尾只有一个辅音字母，
双写这个辅音字母再加-ed。如：stopstopped
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eg.1. He had his breakfast at 6:00 He has had his breakfast.
2. When did you come here? I watched the football match on TV at 9:00.
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动词填空：
1._H_a__v_eyou _c_l_e_a_n_e_d_(clean) the room? Yes, we_h_a__v_e_d__o_n_e(do) that already. When __d_id____ you __d_o___(do) it? We __d_id____(do) it an hour ago.
past
present
I have lived here for two years
❖ 1.都表示过去发生的事 ❖ 2.现在完成时强调过去和现在的联系，不能和具
体的时间状语连用；
❖ 3.一般过去时强调过去发生的事或状态与表示过 去的具体时间连用（last, ago, yesterday, etc. ）
❖在以上两种用法中常跟already, not…yet, never, just, before, ever, recently等
时间继续下去的状语。
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❖3) 表示过去已经开始, 持续到现在, 也 许还会继续下去的动作或状态，常与包 括现在在内的一段时间的状语连用。
❖He has studied English for 6 years. ❖Mary has been busy since she came